Microsoft (NASDAQ:MSFT) has just wrapped up its own launch event in Beijing for its new mobile operating system, WP7. It marks the official Chinese debut of the software, which will hit the shelves by the end of the month on new devices from Nokia, HTC, and ZTE.

Here are some of the event highlights, along with photos from various sources on Sina Weibo:

The hour-long launch focused on usability and readiness, emphasising that 2,000 Chinese-made apps – out of over 70,000 WP7 titles – have already been made, allowing potential switchers in China to be able to do all the social networking, gaming, and online shopping that they’d expect on a new smartphone:

Among the new apps was one on display from e-commerce site 360Buy (pictured below), and plus there are a number of updates to the early-bird Chinese WP7 apps that we looked at last summer:

China Telecom’s (NYSE:CHA; HKG:0728) deputy GM, Yang Xiaowei, hit the stage to explain in brief that his company will launch a CDMA version of Nokia’s Lumia 800 next week in conjunction with Nokia itself: